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Hard Floor Care

Wednesday's Ask the Experts: Streaking on porcelain

August 01, 2012
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Wednesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: I have 3 facilities with highly polished porcelain tile. We are having issues with the floors streaking and leaving water spots after mopping. I have tried 6 different neutral cleaners, and several types of mops (microfiber, nylon, rayon, blended, etc) with the same results. Any chemical suggestions? We are limited to mopping, floor machines, and additional time to dry the tile is out of the question. Any ideas are appreciated!

The answer:

You just need to adjust your approach a bit to solve this problem. First off, the spots are from dried residue that has been left on the surface by the mopping. They''re due to incomplete removal of the solution. Streaks and spots have nothing to do with what cleaner you are are using and little to do with the composition of the mophead. And there is no connection to drying time, fast or slow. Simply put, you are leaving a portion of the spent solution on the floor and when the water evaporates, what is left? The loosened soils and the chemicals in the solution, because these will evaporate only in the case of exposure to ... — Lynn E. Krafft, ICAN/ATEX editor

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